NCIt synonyms : Adenoma of Nipple; Adenoma of the Nipple; Subareolar Duct Papillomatosis; Erosive Nipple Adenomatosis;
NCIt definition : A benign epithelial neoplasm arising from the nipple. Signs and symptoms include serous
or sanguineous nipple discharge and nipple erosion. It is characterized by the presence
of aggregates of small tubules replacing the nipple stroma. The tubules are lined
by epithelial and myoepithelial cells.;